piths的中文意思、音标与词形变化

v. 精力( pith的第三人称单数 ); （木）髓; （争论、思想等）核心; 橙子等外皮之下的海绵层

n soft spongelike central cylinder of the stems of most flowering plants n the choicest or most essential or most vital part of some idea or experience v remove the pith from (a plant)